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| perfect pendulum; simple equivalent pendulum | |||
| theoretical pendulum | |||
| ideal pendulum | |||
| simple pendulum; mathematical pendulum | |||
| Russian thesaurus | |||
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| см. маятник Большой Энциклопедический словарь | |||
| математический маятник: 5 phrases in 4 subjects |
| Construction | 1 |
| Makarov | 2 |
| Mathematics | 1 |
| Technology | 1 |